objtch@extro.ucc.su.oz.au (Peter Goodall) (01/31/91)
martino@logitek.co.uk (Martin O'Nions) writes: >... >In the absence of OO architectures though (apart from Rekursiv - Linn >take a bow (even if it has taken three years to start seeing them out >there in numbers)), .... Could anyone using, or having seen the Rekursiv hardwar/software in operation please tell us a story about it.. Peter Goodall
rodger@opera.chorus.fr (Rodger Lea) (02/02/91)
In article <objtch.665311304@extro>, objtch@extro.ucc.su.oz.au (Peter Goodall) writes: %% martino@logitek.co.uk (Martin O'Nions) writes: %% %% >... %% >In the absence of OO architectures though (apart from Rekursiv - Linn %% >take a bow (even if it has taken three years to start seeing them out %% >there in numbers)), .... %% %% Could anyone using, or having seen the Rekursiv hardwar/software in operation %% please tell us a story about it.. %% %% Peter Goodall I saw it (but not in action) a while back, on a veranda in California - it looks impressive as a piece of H/W (which isn't saying too much I know) I was intending to work with it as part of a research project - unfortuantly I left Lancaster for life here in Gay paris so have never used it. I have however read the book "REKURSIV object oriented computer architecture" David Harland, Ellis Horwood ISBN 0-7458-0396-2 which I think is well worth reading. As for users, I think Eliot Miranda (QMC) was intending to port SmallTalk onto it - eliot - is/was that true. If not, I know that Al Dearle - formaly of St Andrews and now in Adelaide used it and has a number of interesting stories to tell. I doubt he bothers to read this group anymore, if you're really desperate for info you can mail me for a contact address. sorry - that's the best I can do. rodger@chorus.fr
martino@logitek.co.uk (Martin O'Nions) (02/06/91)
objtch@extro.ucc.su.oz.au (Peter Goodall) writes: >martino@logitek.co.uk (Martin O'Nions) writes: >>... >>In the absence of OO architectures though (apart from Rekursiv - Linn >>take a bow (even if it has taken three years to start seeing them out >>there in numbers)), .... > >Could anyone using, or having seen the Rekursiv hardwar/software in operation >please tell us a story about it.. Having recieved a mildly ascerbic mail from a U.K. academic institution after mentioning Rekursiv, I feel that I should probably try and pass on the basic information contained therein. It would appear that Rekursiv has gone the way of all silicon, although contacts in one or two commercial sites say that there are still research projects using them. The comments from academia are that despite being designed to manipulate objects from microcode directly, instead of building objects from data words etc., the processor was outperformed by the RISC chips they were using in other platforms. Given that Rekursiv was so different in its architecture, and the amount of effort taken required to develop for it, I get the impression that it was not considered worthwhile by those evaluating it (no more flames from cs.man.ac.uk by request). For those interested though, David Harland's book 'Rekursiv - Object Orientated Computer Architectures' is an interesting, informative and expensive guide to one of the braver attempts at building hardware to suit software over the last few years. Have fun Martin -- DISCLAIMER: All My Own Work (Unless stated otherwise) -------------------------------------------------------------------------- Martin O'Nions Logitek Group Support martino@logitek.co.uk -------------------------------------------------------------------------- Auntie did you feel no pain / Falling from that willow tree? Could you do it, please again / 'Cos my friend here didn't see. (Harry Graham - Ruthless Rhymes for Heartless Homes)